<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #a{
            border-top:20px red solid ;
            border-bottom: 20px black double;
            border-left: aqua 2px dotted;
            border-right: blanchedalmond 3px dashed;
            width: 200px;
            height: 100px;

        }
        #b{
            width: 100px;
            height: 100px;
            border: aqua solid 10px;
            border-radius: 25px;

        }
    </style>
</head>
<body>
<div id="a"></div>
<br>
<div id="b"></div>
</body>
</html>